xref: /openbmc/u-boot/arch/m68k/include/asm/coldfire/pwm.h (revision 1e52fea3)
1 /*
2  * Pulse Width Modulation Memory Map
3  *
4  * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
5  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25 
26 #ifndef __ATA_H__
27 #define __ATA_H__
28 
29 /* Pulse Width Modulation (PWM) */
30 typedef struct pwm_ctrl {
31 #ifdef CONFIG_M5272
32 	u8 cr0;
33 	u8 res1[3];
34 	u8 cr1;
35 	u8 res2[3];
36 	u8 cr2;
37 	u8 res3[7];
38 	u8 pwr0;
39 	u8 res4[3];
40 	u8 pwr1;
41 	u8 res5[3];
42 	u8 pwr2;
43 	u8 res6[7];
44 #else
45 	u8 en;			/* 0x00 PWM Enable */
46 	u8 pol;			/* 0x01 Polarity */
47 	u8 clk;			/* 0x02 Clock Select */
48 	u8 prclk;		/* 0x03 Prescale Clock Select */
49 	u8 cae;			/* 0x04 Center Align Enable */
50 	u8 ctl;			/* 0x05 Control */
51 	u16 res1;		/* 0x06 - 0x07 */
52 	u8 scla;		/* 0x08 Scale A */
53 	u8 sclb;		/* 0x09 Scale B */
54 	u16 res2;		/* 0x0A - 0x0B */
55 #ifdef CONFIG_M5275
56 	u8 cnt[4];		/* 0x0C Channel n Counter */
57 	u16 res3;		/* 0x10 - 0x11 */
58 	u8 per[4];		/* 0x14 Channel n Period */
59 	u16 res4;		/* 0x16 - 0x17 */
60 	u8 dty[4];		/* 0x18 Channel n Duty */
61 #else
62 	u8 cnt[8];		/* 0x0C Channel n Counter */
63 	u8 per[8];		/* 0x14 Channel n Period */
64 	u8 dty[8];		/* 0x1C Channel n Duty */
65 	u8 sdn;			/* 0x24 Shutdown */
66 	u8 res3[3];		/* 0x25 - 0x27 */
67 #endif				/* CONFIG_M5275 */
68 #endif				/* CONFIG_M5272 */
69 } pwm_t;
70 
71 #ifdef CONFIG_M5272
72 
73 #define PWM_CR_EN			(0x80)
74 #define PWM_CR_FRC1			(0x40)
75 #define PWM_CR_LVL			(0x20)
76 #define PWM_CR_CLKSEL(x)		((x) & 0x0F)
77 #define PWM_CR_CLKSEL_MASK		(0xF0)
78 
79 #else
80 
81 #define PWM_EN_PWMEn(x)			(1 << ((x) & 0x07))
82 #define PWM_EN_PWMEn_MASK		(0xF0)
83 
84 #define PWM_POL_PPOLn(x)		(1 << ((x) & 0x07))
85 #define PWM_POL_PPOLn_MASK		(0xF0)
86 
87 #define PWM_CLK_PCLKn(x)		(1 << ((x) & 0x07))
88 #define PWM_CLK_PCLKn_MASK		(0xF0)
89 
90 #define PWM_PRCLK_PCKB(x)		(((x) & 0x07) << 4)
91 #define PWM_PRCLK_PCKB_MASK		(0x8F)
92 #define PWM_PRCLK_PCKA(x)		((x) & 0x07)
93 #define PWM_PRCLK_PCKA_MASK		(0xF8)
94 
95 #define PWM_CLK_PCLKn(x)		(1 << ((x) & 0x07))
96 #define PWM_CLK_PCLKn_MASK		(0xF0)
97 
98 #define PWM_CTL_CON67			(0x80)
99 #define PWM_CTL_CON45			(0x40)
100 #define PWM_CTL_CON23			(0x20)
101 #define PWM_CTL_CON01			(0x10)
102 #define PWM_CTL_PSWAR			(0x08)
103 #define PWM_CTL_PFRZ			(0x04)
104 
105 #define PWM_SDN_IF			(0x80)
106 #define PWM_SDN_IE			(0x40)
107 #define PWM_SDN_RESTART			(0x20)
108 #define PWM_SDN_LVL			(0x10)
109 #define PWM_SDN_PWM7IN			(0x04)
110 #define PWM_SDN_PWM7IL			(0x02)
111 #define PWM_SDN_SDNEN			(0x01)
112 
113 #endif				/* CONFIG_M5272 */
114 
115 #endif				/* __ATA_H__ */
116